"ITire" - uthungelwano yethopholoji: izinto eziluncedo, ezingeloncedo

Esiza ezininzi iinkampani, kunokwenzeka ukutsala ingqalelo yokuba inethiwekhi kukho engaphuhliswanga ngeendlela ezininzi - ngamanye amaxesha basebenzisa "inkwenkwezi" ethile - "ring", yaye ethile - "asidinwa". Uthungelwano yethopholoji iphenjelelwa kakhulu ngamandla umgangatho kunye nesantya exchange data phakathi kwee computer, kodwa abaninzi abazi ezincedayo kunye nezithintelo ukhetho ngalunye rhoqo.

Yintoni na?

Ngaphandle kokuba olu khetho yeyona ixhaphakileyo namhlanje, igama elithi "yethopholoji efanayo" hayi kuphela inika iteknoloji "asidinwa". Uthungelwano yethopholoji nje manyano kweekhompyutha eliqela womnatha, ngoko ke kubizwa ngokuba ngobuwena ezifana mabinzana njengoko uqwalaselo okanye isakhiwo network. Ukongeza, ingcamango "yethopholoji efanayo" wenza inani elikhulu lwemithetho ezibonakalisa ukubekwa iikhompyutha, ubuchwepheshe iingcingo ezihamab phantsi kunye nokusasazwa kwezixhobo yonxibelelwano, kwakunye ezininzi nezinye izinto.

Ngaba yintoni bethu?

Ukuza kuthi ga ngoku, kukho iindlela ezintathu eziphambili kokudityaniswa ezinjalo iikhompyutha - i "inkwenkwezi", "ring" yaye "kaloliwe". Le ithopholoji kwimeko nganye yahlukile abanye yaye uneempawu zawo kunye eziluncedo. Yiyo loo nto kubalulekile ukwazi ezi iinkcukacha phambi kokuba kokuchitha uthungelwano phakathi kweekhompyutha kwi into ethile.

"YaseTire"

Ngokutsho ubugcisa, "ibhasi" ithopholoji unika ukusetyenziswa intambo olulodwa, apho kudityaniswe ngamnye zonke ezinye iikhompyutha zisetyenziswa.

Ngenxa yoko, intambo omnye isetyenziswa yi kwisikhululo ngasinye size yonke imiyalezo ethunyelwe ukuba ezi zikhululo na ezifunyenweyo kwaye waphulaphula nayiphi na yekhompyutha kwi-network. Ukusuka kule flow zonke workstations khetha kuphela ezo imiyalezo ekuqaleni wayethetha kubo.

Ziziphi iingenelo?

Izinto eziluncedo yethopholoji efanayo "asidinwa" zezi zilandelayo:

• Isicwangciso kulula kakhulu ukuba nawuphi na umsebenzisi igunya.
• Le nkqubo ilula ukufaka kwaye ngexesha elinye ebangela iindleko zemali ubuncinane, ukuba zonke izitishi zikwindawo umgama omfutshane phakathi kwabo.
• Ukuba ikhefu okanye iqala ukusombulula intsinda-badala nasiphi na isikhululo ethile kwi-network, bonke abanye bayaqhubeka ukuze zisebenze ngaphambili ngaphandle naziphi na iingxaki.

Zintoni bobubi?

Kukho kwakhona nezingeloncedo yethopholoji efanayo "asidinwa":

• Ukuba ingxaki kwenzeka kuyo nayiphi na indawo, nangoko uyazifohloza womnatha yonke ngokupheleleyo.
• Kakhulu kunzima ukufumana naziphi na iingxaki, ukuba kuvela.
• ukusebenza Pretty abahluphekayo kuthelekiswa nezinye technologies. Oku kungenxa yokuba ithopholoji of network "asidinwa", icinga ukosuleleka ngaxeshanye data ukusuka kwikhompyutha enye kuphela, yaye ukuba inani elifanayo lezikhululo yomsebenzi kwandisa, ukusebenza kunciphisa ngaxeshanye kwinethiwekhi ngxabano.
• scalability ubambekile. Ukongeza ifenishala entsha, ufuna ukutshintsha amacandelo seyisetyenziswa "emoto".

Yeyona iteknoloji isetyenziswa ukudibanisa iikhompyutha olwahlulwayo kumsebenzi womnatha wobulali usebenzisa intambo yafakwa. Kulo mzekelo, njenge "asidinwa" ziqwempu asetyenziswe of cable yafakwa, edityanisiweyo phakathi ukusilela usebenzisa T-izihlanganisi. "ITire" ibhuqiwe ngokupheleleyo kulo lonke igumbi, uze idibanisa kwikhompyutha nganye, kwaye imveliso kwicala isinxibelelanisi lifakwa isinxibelelanisi zixhonywe kwikhadi womnatha.

Ngenxa yokuba izixhobo sele kombiseke ngaphandle umhla, kwaye uthungelwano bandile yethopholoji efanayo "nkwenkwezi", "ibhasi" phantse zange isetyenziswe, kodwa ukuba namhla inokufumaneka ngamashishini ahlukahlukeneyo.

"I Ring"

"Ring" imele ithopholoji lwe kumnatha womsebenzi wobulali, njengako apho zonke izitishi ezahlukeneyo ezidityanisiweyo kunye series, kusekwe isangqa evaliweyo ngokupheleleyo. Kumsebenzi womnatha enjalo, data kudluliselwa ukusuka kwenye indawo yokusebenzela kwenye kwicala elinye, apho ikhompyutha nganye isebenza njenge zabaphindayo, ukwenza umyalezo retransmission ukuya elilandelayo, kanjalo bakha uhlobo ikhuni. Loo inkqubo sele kangako yintoni na ithopholoji of "ibhasi oluqhelekileyo", yaye ngenxa yoko a lot of iimpawu zayo kunye nezibonelelo.

Ziziphi iingenelo?

• Iikhompyutha bathungelane nje.
• Enyanisweni akukho mfuneko yokusebenzisa izixhobo ezongezelelweyo.
• Kuyenzeka ukuphumeza intsebenziswano ezinzileyo ngaphandle data ngesantya owela ziyakusasaza umthwalo womnatha kakhulu appreciable.
• Nayiphi na ikhompyutha ukuya kusetyenziswa inxaxheba idatha kwinkqubo transmission, kwaye ukuba ikhefu yi computer ubuncinane elinye okanye kwindawo ethile ndaphule intambo, yonke le nkqubo iza kuyeka ukusebenza ngokupheleleyo.
• Ukuba uya makanxibelelanise ifenishala entsha, inethiwekhi kufuneka ukucima ngexesha elithile, kuba ifuna uvula le ringi ngexesha ukufakelwa izixhobo ezitsha.
• Le nkqubo kunokuba uqwalaselo inzima kunye nezicwangciso.
• Xa kuthe kona ethile nkqu neengcali ukuba kakhulu kunzima ukufumana, yintoni kanye le ngxaki.

Zintoni bobubi?

Ngokuphathelele ezi negatives namhlanje akunjalo wayesoloko ukusebenzisa umsesane yethopholoji efanayo, yaye amaninzi oko kwenzeka ifayibha-optic networks Token Ring standard.

"Inkwenkwezi"

Ukuba yokusebenzela ngamnye elidityaniswe ngqo kwicandelo engundoqo, apho umzila okanye sivula unako ukukhonza le yethopholoji efanayo "nkwenkwezi." "Bus" liye lathatyathelw ngokuhamba kwexesha obu bugcisa elithile, ekubeni sele yokusebenza ephakamileyo kunye nokusebenza. Le iteknoloji libonelela ngolawulo zonke iipakethi kuthungelwano ihambisa ngqo kwicandelo engundoqo kunye ikhompyutha nganye ngokusebenzisa ikhadi layo womnatha wakho idityaniswe kule utshintsho ngokupheleleyo intambo eyahlukileyo.

Ukuba kuyimfuneko, oko zidityaniswe zibe iinethiwekhi omnye ezininzi usebenzisa ithopholoji ochazwe, apho isiphumo a noqwalaselo womnatha ukuba umthi yethopholoji efanayo. Umthi yethopholoji isasazwa yentlangano enkulu, kodwa iphawulwa eziliqela iimpawu zayo ubuqili ukuphunyezwa.

Yethopholoji efanayo "nkwenkwezi" namhlanje isetyenziswa njengesiseko ukwakhiwa phantse kuzo zonke iinethiwekhi zasekuhlaleni, yaye ngokukodwa, oku ziziphumo eziliqela ezilungileyo le netheknoloji networking iikhompyutha.

Ziziphi iingenelo?

• Ukuba aphule nawuphi na isikhululo oluthile (okanye intambo yayo yonakele), umsebenzi jikelele, uthungelwano yonke alichatshazelwa, oko kukuthi, zonke ezinye izixhobo iyaqhubeka ukusebenza stably.
• scalability Excellent. Ukudibanisa i ifenishala entsha, udinga nje ukubeka intambo elohlukileyo iswitshi.
• inokufumaneka Kanye, uze troubleshoot okanye naliphi na ikhefu kwi network.
• Kakhulu ukusebenza eliphezulu, ingakumbi xa kuthelekiswa iinketho efanayo yethopholoji efanayo.
• lula ogqibeleleyo useto kunye nokulawulwa kwazo zonke izixhobo.
• Uthungelwano kungaba lula ukwakha izixhobo ezongezelelweyo.
• Ukuba iswitshi engundoqo yophukile, uthungelwano yonke iyayeka ukusebenza.
• Ukusebenzisa i hardware womnatha, kufuneka inike iindleko ezongezelelweyo, njengoko ufuna ukuthenga isixhobo eyahlukileyo, nto leyo eya ukudibanisa zonke iikhompyutha eqhagamshelwe kwinethiwekhi.
• Inani workstations kuphela inani kumazibuko ezisetyenziswa iswitshi engundoqo.

Zintoni bobubi?

Ukuza kuthi ga ngoku, i "inkwenkwezi" yeyona ubugcisa oluqhelekilyo lothungelwano namhlanje ngeengcingo okanye wireless. Ngokomzekelo, yinkwenkwezi yethopholoji lingakumela uthungelwano usebenzisa intambo ezifana "isibini ejijekileyo", kwakunye uneswitshi, nto leyo isixhobo engundoqo. Kuyinto le networks basoloko namhlanje inokufumaneka uninzi leenkampani.

Ithopholoji nokubaluleka kwayo

Uthungelwano yethopholoji ukujonga kuphela indawo emzimbeni iikhompyutha, kodwa, okona kubaluleke kakhulu, ubonelela uhlobo lobudlelane phakathi kwabo, kwakunye neempawu ezahlukeneyo umqondiso andise ngokusebenzisa kwinethiwekhi. Oko ke indlela yonxibelelwano uyakwazi ukubona ubungakanani womnatha fault-ukumelana, kwaye bafunde yobumbaxa efunekayo isixhobo womnatha kunye nendlela yolawulo unxibelelwano kakhulu ezifanelekileyo, kunye nezinye iparameters ezininzi. Ukuba uncwadi kubhekwa ithopholoji kothungelwano local "ibhasi" okanye ezinye ubugcisa ukuze zinike amagama ezine ezahlukeneyo ngokupheleleyo ezinxulumene iintlobo ezahlukeneyo network ngezakhiwo :

• ilungiselelo computer kunye kungekabekwa kweentambo bamanyane - Physical. Ngale ndlela isixando "inkwenkwezi" alinayo nayiphi na umahluko phakathi esebenzayo, ngokunxulumene apho lezobuchwepheshe amaninzi kuthiwa njenge "inkwenkwezi".
• Ubhalo - isakhiwo ulwalamano, kwakunye indlela okukhombisa zihanjiswa ngapha komsebenzi womnatha. Le nkcazelo of yethopholoji efanayo, mhlawumbi, ekunokuthiwa kakhulu echanekileyo.
• ulawulo Exchange - umgaqo, kwakunye ngokulandelelana ukutshintshwa ilungelo lokufaka womnatha phakathi kwee computer ethile.
• Ulwazi - icala aya kolwazi, leyo ayihambi ngokusebenzisa womnatha.

Umzekelo, uthungelwano ukuba yethopholoji efanayo ifomathi "asidinwa" emzimbeni kwaye ubhalo zingasetyenziswa njenge ulawulo relay womnatha transmission amalungelo ubugcisa kwikhompyutha, nokunika ukudluliselwa ngaxeshanye data ngokusebenzisa ikhompyutha ethile elizinikeleyo. Kwaye ke kukho "nkwenkwezi" iteknoloji equkethwe.